package com.itheima.mapper;

import com.itheima.pojo.Dept;
import com.itheima.pojo.Emp;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface DeptMapper {
    @Select("select * from dept")
    List<Dept> queryAll();

    @Delete("delete from dept where id = #{id}")
    void deleteById(Integer id);

    @Insert("insert into dept(name,create_time,update_time) values (#{name},#{createTime},#{updateTime})")
    void addDept(Dept dept);

    @Select("select * from dept where id = #{id}")
    Dept selectById(Integer id);

    @Update("UPDATE dept set name = #{name},update_time = #{updateTime} where id = #{id}")
    void updateById(Dept dept);

    @Select("select * from emp where dept_id = #{id} limit 1;")
    Emp selectByDeptId(Integer id);
}
